Fair Value of Financial Instruments (Unaudited) Long-term Debt (Details 3) - USD ($) $ in Millions	Sep. 30, 2023	Aug. 01, 2023	Feb. 08, 2023	Dec. 31, 2022
Debt Instruments [Abstract]
Long-term Debt, Fair Value	$ 12,500			$ 12,100
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 2,000
2033 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			4.70%
2053 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			4.95%
2023 Note
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 1,050
Debt Instrument, Interest Rate, Stated Percentage		3.25%